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php ini_set ini_get 配置参数列表

参数列表如下
 
name default changeable
com.allow_dcom "0" php教程_ini_system
com.autoregister_typelib "0" php_ini_system
com.autoregister_verbose "0" php_ini_system
com.autoregister_casesensitive "1" php_ini_system
com.typelib_file "" php_ini_system
crack.default_dictionary null php_ini_system
exif.encode_unicode "iso-8859-15" php_ini_all
exif.decode_unicode_motorola "ucs-2be" php_ini_all
exif.decode_unicode_intel "ucs-2le" php_ini_all
exif.encode_jis "" php_ini_all
exif.decode_jis_motorola "jis" php_ini_all
exif.decode_jis_intel "jis" php_ini_all
fbsql.allow_persistent "1" php_ini_system
fbsql.generate_warnings "0" php_ini_system
fbsql.autocommit "1" php_ini_system
fbsql.max_persistent "-1" php_ini_system
fbsql.max_links "128" php_ini_system
fbsql.max_connections "128" php_ini_system
fbsql.max_results "128" php_ini_system
fbsql.batchsize "1000" php_ini_system
fbsql.default_host null php_ini_system
fbsql.default_user "_system" php_ini_system
fbsql.default_password "" php_ini_system
fbsql.default_database "" php_ini_system
fbsql.default_database_password "" php_ini_system
hwapi.allow_persistent "0" php_ini_system
hyperwave.allow_persistent "0" php_ini_system
hyperwave.default_port "418" php_ini_all
iconv.input_encoding iconv_input_encoding php_ini_all
iconv.output_encoding iconv_output_encoding php_ini_all
iconv.internal_encoding iconv_internal_encoding php_ini_all
ifx.allow_persistent "1" php_ini_system
ifx.max_persistent "-1" php_ini_system
ifx.max_links "-1" php_ini_system
ifx.default_host null php_ini_system
ifx.default_user null php_ini_system
ifx.default_password null php_ini_system
ifx.blobinfile "1" php_ini_all
ifx.textasvarchar "0" php_ini_all
ifx.byteasvarchar "0" php_ini_all
ifx.charasvarchar "0" php_ini_all
ifx.nullformat "0" php_ini_all
ingres.allow_persistent "1" php_ini_system
ingres.max_persistent "-1" php_ini_system
ingres.max_links "-1" php_ini_system
ingres.default_database null php_ini_all
ingres.default_user null php_ini_all
ingres.default_password null php_ini_all
ibase.allow_persistent "1" php_ini_system
ibase.max_persistent "-1" php_ini_system
ibase.max_links "-1" php_ini_system
ibase.default_user null php_ini_all
ibase.default_password null php_ini_all
ibase.timestampformat "%m/%d/%y%h:%m:%s" php_ini_all
ibase.dateformat "%m/%d/%y" php_ini_all
ibase.timeformat "%h:%m:%s" php_ini_all
java.class.path null php_ini_all
java.home null php_ini_all
java.library.path null php_ini_all
java.library javalib php_ini_all
java.library null php_ini_all
ldap.max_links "-1" php_ini_system
mbstring.detect_order null php_ini_all
mbstring.http_input null php_ini_all
mbstring.http_output null php_ini_all
mbstring.internal_encoding null php_ini_all
mbstring.substitute_character null php_ini_all
mbstring.func_overload "0" php_ini_system
mcrypt.algorithms_dir null php_ini_all
mcrypt.modes_dir null php_ini_all
mime_magic.magicfile "/usr/share/misc/magic.mime" php_ini_system
mssql.allow_persistent "1" php_ini_system
mssql.max_persistent "-1" php_ini_system
mssql.max_links "-1" php_ini_system
mssql.max_procs "25" php_ini_all
mssql.min_error_severity "10" php_ini_all
mssql.min_message_severity "10" php_ini_all
mssql.compatability_mode "0" php_ini_all
mssql.connect_timeout "5" php_ini_all
mssql.timeout "60" php_ini_all
mssql.textsize "-1" php_ini_all
mssql.textlimit "-1" php_ini_all
mssql.batchsize "0" php_ini_all
mssql.datetimeconvert "1" php_ini_all
mssql.secure_connection "0" php_ini_system
mysql教程.allow_persistent "1" php_ini_system
mysql.max_persistent "-1" php_ini_system
mysql.max_links "-1" php_ini_system
mysql.default_host null php_ini_all
mysql.default_user null php_ini_all
mysql.default_password null php_ini_all
mysql.default_port null php_ini_all
mysql.default_socket null php_ini_all
ncurses.value "42" php_ini_all
ncurses.string "foobar" php_ini_all
odbc.allow_persistent "1" php_ini_system
odbc.max_persistent "-1" php_ini_system
odbc.max_links "-1" php_ini_system
odbc.default_db null php_ini_all
odbc.default_user null php_ini_all
odbc.default_pw null php_ini_all
odbc.defaultlrl "4096" php_ini_all
odbc.defaultbinmode "1" php_ini_all
odbc.check_persistent "1" php_ini_system
pfpro.defaulthost "test.signio.com"  
pfpro.defaulthost "test-payflow.verisign.com"  
pfpro.defaultport "443" php_ini_all
pfpro.defaulttimeout "30" php_ini_all
pfpro.proxyaddress "" php_ini_all
pfpro.proxyport "" php_ini_all
pfpro.proxylogon "" php_ini_all
pfpro.proxypassword "" php_ini_all
pgsql.allow_persistent "1" php_ini_system
pgsql.max_persistent "-1" php_ini_system
pgsql.max_links "-1" php_ini_system
pgsql.auto_reset_persistent "0" php_ini_system
pgsql.ignore_notice "0" php_ini_all
pgsql.log_notice "0" php_ini_all
session.save_path "/tmp" php_ini_all
session.name "phps教程essid" php_ini_all
session.save_handler "files" php_ini_all
session.auto_start "0" php_ini_all
session.gc_probability "1" php_ini_all
session.gc_divisor "100" php_ini_all
session.gc_maxlifetime "1440" php_ini_all
session.serialize_handler "php" php_ini_all
session.cookie_lifetime "0" php_ini_all
session.cookie_path "/" php_ini_all
session.cookie_domain "" php_ini_all
session.cookie_secure "" php_ini_all
session.use_cookies "1" php_ini_all
session.use_only_cookies "0" php_ini_all
session.referer_check "" php_ini_all
session.entropy_file "" php_ini_all
session.entropy_length "0" php_ini_all
session.cache_limiter "nocache" php_ini_all
session.cache_expire "180" php_ini_all
session.use_trans_sid "0" php_ini_system
php_ini_perdir
session.encode_sources "globals,track" php_ini_all
assert.active "1" php_ini_all
assert.bail "0" php_ini_all
assert.warning "1" php_ini_all
assert.callback null php_ini_all
assert.quiet_eval "0" php_ini_all
safe_mode_protected_env_vars safe_mode_protected_env_vars php_ini_system
safe_mode_allowed_env_vars safe_mode_allowed_env_vars php_ini_system
url_rewriter.tags "a=href,area=href,
frame=src,
form=fakeentry"
php_ini_all
sybct.allow_persistent "1" php_ini_system
sybct.max_persistent "-1" php_ini_system
sybct.max_links "-1" php_ini_system
sybct.min_server_severity "10" php_ini_all
sybct.min_client_severity "10" php_ini_all
sybct.hostname null php_ini_all
vpopmail.directory "" php_ini_all
zlib.output_compression "0" php_ini_system
php_ini_perdir
zlib.output_compression_level "-1" php_ini_all
define_syslog_variables "0" php_ini_all
highlight.bg hl_bg_color php_ini_all
highlight.comment hl_comment_color php_ini_all
highlight.default hl_default_color php_ini_all
highlight.html hl_html_color php_ini_all
highlight.keyword hl_keyword_color php_ini_all
highlight.string hl_string_color php_ini_all
allow_call_time_pass_reference "1" php_ini_system
php_ini_perdir
asp教程_tags "0" php_ini_system
php_ini_perdir
display_errors "1" php_ini_all
display_startup_errors "0" php_ini_all
enable_dl "1" php_ini_system
expose_php "1" php_ini_system
html_errors "1" php_ini_all
xmlrpc_errors "0" php_ini_system
xmlrpc_error_number "0" php_ini_all
ignore_user_abort "0" php_ini_all
implicit_flush "0" php_ini_all
log_errors "0" php_ini_all
log_errors_max_len "1024" php_ini_all
ignore_repeated_errors "0" php_ini_all
ignore_repeated_source "0" php_ini_all
magic_quotes_gpc "1" php_ini_perdir
php_ini_system
magic_quotes_runtime "0" php_ini_all
magic_quotes_sybase "0" php_ini_all
output_buffering "0" php_ini_perdir
php_ini_system
output_handler null php_ini_perdir
php_ini_system
register_argc_argv "1" php_ini_perdir
php_ini_system
register_globals "0" php_ini_perdir
php_ini_system
safe_mode "1" php_ini_system
safe_mode "0" php_ini_system
safe_mode_include_dir null php_ini_system
safe_mode_gid "0" php_ini_system
short_open_tag default_short_open_tag php_ini_system
php_ini_perdir
sql.safe_mode "0" php_ini_system
track_errors "0" php_ini_all
y2k_compliance "0" php_ini_all
unserialize_callback_func null php_ini_all
arg_separator.output "&" php_ini_all
arg_separator.input "&" php_ini_system
php_ini_perdir
auto_append_file null php_ini_system
php_ini_perdir
auto_prepend_file null php_ini_system
php_ini_perdir
doc_root null php_ini_system
default_charset sapi_default_charset php_ini_all
default_mimetype sapi_default_mimetype php_ini_all
error_log null php_ini_all
extension_dir php_extension_dir php_ini_system
gpc_order "gpc" php_ini_all
include_path php_include_path php_ini_all
max_execution_time "30" php_ini_all
open_basedir null php_ini_system
safe_mode_exec_dir "1" php_ini_system
upload_max_filesize "2m" php_ini_system
php_ini_perdir
file_uploads "1" php_ini_system
post_max_size "8m" php_ini_system
php_ini_perdir
upload_tmp_dir null php_ini_system
user_dir null php_ini_system
variables_order null php_ini_all
error_append_string null php_ini_all
error_prepend_string null php_ini_all
smtp "localhost" php_ini_all
smtp_port 25 php_ini_all
browscap null php_ini_system
error_reporting null php_ini_all
memory_limit "8m" php_ini_all
precision "14" php_ini_all
sendmail_from null php_ini_all
sendmail_path default_sendmail_path php_ini_system
disable_classes "" php.ini only
disable_functions "" php.ini only
allow_url_fopen "1" php_ini_all
always_populate_raw_post_data "0" php_ini_system
php_ini_perdir
xbithack "0" php_ini_all
engine "1" php_ini_all
last_modified "0" php_ini_all
child_terminate "0" php_ini_all
async_send "0" php_ini_all

可操作范围见下表:

操作范围
 
constant value meaning
php_ini_user 1 entry can be set in user scripts
php_ini_perdir 2 entry can be set in php.ini, .htaccess or httpd.conf
php_ini_system 4 entry can be set in php.ini or httpd.conf
php_ini_all 7 entry can be set anywhere

 

 
常量 含义
php_ini_user 1 该项目可以在用户脚本中设定
php_ini_perdir 2 该项目可以在 php.ini .htaccess 或者 httpd.conf 中设定
php_ini_system 4 该项目可以在 php.ini 或 httpd.conf 中设定
php_ini_all 7 该项目可以在任何地方设定

ini_set ini_get 可操作配置参数列表

获取 magic_quotes_gpc 状态,来决定当表单提交时我们是否转义(addslashes)数据;

设定 max_execution_time 来延长 程序的执行时间;

设定 error_reporting 使自己的项目在开发与运营阶段切换;

设定 memory_limit 加大内存等等…

view sourceprint?1 ini_set (string varname, string newvalue ) :  //设定环境配置的参数    

2 ini_get (string varname) :  //获取环境配置的参数

 php ini_set函数是设置选项中的值,在执行函数后生效,脚本结束的时候,这个设置也失效。不是所有的选项都能被改函数设置的。具体那些值能够设置,可以查看手册中的列表。

就是能够设置php.ini中的选项值比如,display_error选项关闭 了,但是你要显示程序中的错误信息,方便你调试程序,那么就可以使用php ini_set函数:

view sourceprint?1 ini_set ( 'display_errors' ,  'on' );

 那么在你这个页面的程序都会显示错误信息了,而且你还可以使用error_reporting来设置显示的错误信息级别。

 如果你需要增加脚本执行时间,那么可以设置:

view sourceprint?1 ini_set('max_execution_time', '180');

 那么脚本执行时间就由默认的30秒变为180秒,当然,你也可以使用set_time_limit()来设置。

 其实你把php ini_set函数和ini_get结合使的话,非常好。比如你想在配置文件里添加自己的包含文件路径,但是你有没有权限更改php.ini,那么你可以 结合两个函数:

view sourceprint?1 ini_set ( 'include_path' , ini_get ( 'include_path' ). ':/your_include_dir:' );

php配置函数ini_get()相信很多人都使过,就是获取配置文件中某一个选项的值,如果是true值就返回1,如果是false值就返回0,字符串就返回字符串。

比如手册中的例子:

view sourceprint?1 <?php    

2 /* our php.ini contains the following settings: display_errors = on register_globals = off post_max_size = 8m */    

3     

4 echo   'display_errors = '  .  ini_get ( 'display_errors' ) .  " " ;  //显示错误是否打开     

5 echo   'register_globals = '  .  ini_get ( 'register_globals' ) .  " " ;  //全局变量是否打开     

6 echo   'post_max_size = '  .  ini_get ( 'post_max_size' ) .  " " ;  //最多能提交的文件大小     

7 echo   'post_max_size+1 = '  . ( ini_get ( 'post_max_size' )+1) .  " " ;    

8     

9 ?>

输出:

  display_errors = 1

  register_globals = 0

  post_max_size = 8m

  post_max_size+1 = 9

  php配置函数ini_get()主要是为了获取配置文件,可以方便你很多操作。 比如你想操作字符串过滤,但是又不清楚 magic_quotes_gpc有没有打开,所以你就可以这样写一个函数:

view sourceprint?1 <?php    

2  /* 字符串过滤函数 */    

3 function  stringfilter( $str ) {    

4     if  ( ini_get ( 'magic_quotes_gpc)' ) {  return   $str ; }  else  {  return   addslashes ( $str ); }    

5 }   

6 ?>

当然,如果你无法知道你的全局变量是否打开,也可以定制这样的函数:

view sourceprint?1 <?php    

2 /* 变量检测函数 */    

3 function  getgetvar( $var ) {    

4     if  ( ini_set ( 'register_gobals' )){  return   $var ; }  else  {  return   $_get [ 'var' ]; }    

5 }   

6 ?>

 当然,你可以用php配置函数ini_get()做很多用途

补充:Php教程,常见问题 
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